This is why I love Dr. Tyson.
(Video is here if you can't see the embedded one)
He can give a thoughtful and interesting lecture on the Saturn V rocket on the fly, while still acting like a kid receiving the Christmas present he asked Santa for.
The ending is my favorite part. "Ignition sequence, fire. We have liftoff! We have liftoff! 32 minutes past the hour. Apollo 11, to the moon!"